66 lines
1.4 KiB
Ruby
66 lines
1.4 KiB
Ruby
#--
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# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
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# All rights reserved.
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# See LICENSE.txt for permissions.
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#++
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require 'rubygems'
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##
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# The Dependency class holds a Gem name and a Gem::Requirement
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class Gem::Dependency
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attr_accessor :name
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attr_writer :version_requirements
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def <=>(other)
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[@name] <=> [other.name]
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end
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##
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# Constructs the dependency
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#
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# name:: [String] name of the Gem
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# version_requirements:: [String Array] version requirement (e.g. ["> 1.2"])
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#
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def initialize(name, version_requirements)
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@name = name
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@version_requirements = Gem::Requirement.create version_requirements
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@version_requirement = nil # Avoid warnings.
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end
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def version_requirements
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normalize if defined? @version_requirement and @version_requirement
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@version_requirements
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end
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def requirement_list
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version_requirements.as_list
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end
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alias requirements_list requirement_list
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def normalize
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ver = @version_requirement.instance_eval { @version }
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@version_requirements = Gem::Requirement.new([ver])
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@version_requirement = nil
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end
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def to_s # :nodoc:
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"#{name} (#{version_requirements})"
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end
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def ==(other) # :nodoc:
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self.class === other &&
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self.name == other.name &&
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self.version_requirements == other.version_requirements
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end
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def hash
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name.hash + version_requirements.hash
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end
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end
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